/*导航栏开始*/
.navbar {
    background-color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    padding: 1rem 2rem;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar-brand {
    color: #4169E1 !important;
    font-weight: 600;
    font-size: 1.3rem;
}

.nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #4169E1 !important;
}

/* 统一优化 bi 图标样式 */
.bi {
    font-size: 1.2rem;
    vertical-align: middle;
    font-weight: bold;
    margin-right: 5px;
    display: inline-flex;
    align-items: center;
}

/* 针对导航栏的图标稍大一些 */
.navbar .bi {
    font-size: 1.4rem;
}

/* 页面详情样式 */
.pdf-viewer {
    background: #0f0f0f;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 20px;
    margin: 20px auto;
    max-width: 1200px;
}

.pdf-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: #0f0f0f;
    border-radius: 6px;
    margin-bottom: 15px;
    border-bottom: 1px solid #333;
}

.page-info {
    font-size: 16px;
    color: #777777;
}

.toolbar-buttons .btn {
    margin-left: 10px;
    padding: 8px 15px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.toolbar-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.pdf-container {
    min-width:800px;
    background: #fff;
    padding: 20px;
    border-radius: 6px;
    min-height: 500px;
}